Pumping scheme for ultra-wideband WDM transmission using distributed Raman amplification
K Nishikimi, A Sano - IEICE Communications Express, 2023 - jstage.jst.go.jp
K Nishikimi, A Sano
IEICE Communications Express, 2023•jstage.jst.go.jpThis paper describes the pumping schemes for ultra-wideband (UWB) WDM transmission
using only distributed Raman amplification. By using numerical analysis based on the
Gaussian noise model, we evaluate the amplification performances for all-Raman UWB-
WDM transmission using higher-order pumping and/or forward pumping in addition to
conventional 1st-order backward pumping. Moreover, we discuss the effect of forward
Raman gain in 1st-order bidirectional pumping configuration, and clarify that the forward …
using only distributed Raman amplification. By using numerical analysis based on the
Gaussian noise model, we evaluate the amplification performances for all-Raman UWB-
WDM transmission using higher-order pumping and/or forward pumping in addition to
conventional 1st-order backward pumping. Moreover, we discuss the effect of forward
Raman gain in 1st-order bidirectional pumping configuration, and clarify that the forward …
Abstract
This paper describes the pumping schemes for ultra-wideband (UWB) WDM transmission using only distributed Raman amplification. By using numerical analysis based on the Gaussian noise model, we evaluate the amplification performances for all-Raman UWB-WDM transmission using higher-order pumping and/or forward pumping in addition to conventional 1st-order backward pumping. Moreover, we discuss the effect of forward Raman gain in 1st-order bidirectional pumping configuration, and clarify that the forward Raman gain should be carefully optimized taking account of both noise performance and nonlinear degradation.
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